/* 页面容器 */

#container {
    max-width: 7.5rem;
    margin: 0 auto;
}


/*顶部导航栏*/

nav {
    background-color: #fff;
    position: fixed;
    top: 0;
    width: 100%;
    max-width: 7.5rem;
}

nav .common-nav {
    padding: 0;
    margin: 0;
    list-style-type: none;
    height: 0.8rem;
}

nav .common-nav>li {
    float: left;
    width: 16%;
    margin: 0 2%;
    text-align: center;
    font-size: 0.3rem;
    line-height: 0.74rem;
    font-weight: 500;
    cursor: pointer;
    border-bottom: 0.06rem #ffffff solid;
}

nav .common-nav .on-nav {
    border-bottom: 0.06rem #0998a1 solid;
}

nav .common-nav .on-nav a {
    color: #0998a1;
}